What Is a Blighted Ovum?
What is a blighted ovum? A blighted ovum, also known as an anembryonic pregnancy, happens when something goes wrong shortly after conception. In a normal pregnancy, a sperm fertilizes an egg shortly after ovulation. Doctors can diagnose a blighted ovum using an ultrasound starting at around week 7 of pregnancy. Imaging will show a smaller than normal and empty gestational sac without an embryo. What causes a blighted ovum? Most early miscarriages are due to chromosomal abnormalities....